Only enable PINIOBOX task when needed

Previously the task was always enabled and there's no reason for it to be running if there are no boxID associations.

Saves a few cycles by not running. But has a bigger effect on the scheduler by minimizing the number of active tasks when possible.

src/main/fc/rc_modes.c

@@ -24,22 +24,26 @@
 
 #include "platform.h"
 
-#include "rc_modes.h"
-
 #include "common/bitarray.h"
 #include "common/maths.h"
+
 #include "drivers/time.h"
 
+#include "config/config.h"
 #include "config/feature.h"
+
+#include "fc/rc_controls.h"
+
+#include "io/piniobox.h"
+
 #include "pg/pg.h"
 #include "pg/pg_ids.h"
 #include "pg/rx.h"
 
-#include "config/config.h"
-#include "fc/rc_controls.h"
-
 #include "rx/rx.h"
 
+#include "rc_modes.h"
+
 #define STICKY_MODE_BOOT_DELAY_US 5e6
 
 boxBitmask_t rcModeActivationMask; // one bit per mode defined in boxId_e
@@ -249,4 +253,7 @@ void analyzeModeActivationConditions(void)
             activeMacArray[activeMacCount++] = i;
         }
     }
+#ifdef USE_PINIOBOX
+    pinioBoxTaskControl();
+#endif
 }